package servlet;

import pojo.User;
import service.UserService;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

//注解
@WebServlet(urlPatterns = "/toupdate")
public class ToUpdateUserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        doPost(req, resp);
    }
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
       //编码
        req.setCharacterEncoding("UTF-8");
       //获取参数
        String sid= req.getParameter("id");
        int id=Integer.parseInt(sid);

        UserService userService = new UserServiceImpl();
       User user = userService.findUserById(id);
        //把数据放在请求域中
        req.setAttribute("user",user);
        //
        req.getRequestDispatcher("/updateUser.jsp").forward(req,resp);

    }
}
